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| (13 dazwischenliegende Versionen desselben Benutzers werden nicht angezeigt) |
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Zeile 1: |
| /* Das folgende JavaScript wird für alle Benutzer geladen. */
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| var button = {
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| "imageFile": "http://knuddels-wiki.de/images/8/8b/Button_vorlage.png", // URL des Bildes, 22x22 pixels
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| "speedTip": "Vorlage", // Text,der beim überfahren mit der Maus erscheint
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| "tagOpen": "{{", // Der öffnende Tag bzw. der Teil am Anfang falls es kein HTML ist
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| "tagClose": "}}", // Der schließende Tag bzw. der Teil am Ende falls es kein HTML ist
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| "sampleText": "Vorlage" // Der mittlere Teil
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| };
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| mwCustomEditButtons.push(button);
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|
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|
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| fireworks = {
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|
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| ///////////////////////////// configuration ////////////////////////////
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|
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| // random colors
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| _color: ['#D0D0D0', '#FF0000', '#FFFF00', '#22FF00', '#2040FF', '#00CCFF', '#FF00FF', '#A319D6'],
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| // gravity factor
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| _gravity: 0.07,
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| // air resistance factor
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| _resistance: 0.975,
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| // zIndex of particles
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| _zIndex: 20000,
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| // maximal age of particles (in msec)
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| _maxAge: 2000,
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| // interval of appearing explosions (in msec)
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| _interval: [500, 2500],
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| // amount of particles per explosion
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| _particlesPerExplosion: 40,
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| // maximal speed of particle at moment of explosion
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| _speed: 5,
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|
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|
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|
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| ///////////////////////////// private vars /////////////////////////////
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|
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| _particles: [],
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| _bodyWidth: 0,
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| _bodyHeight: 0,
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| _count: 0,
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| _lastInterval: 0,
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|
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|
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|
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| ////////////////////////////// functions ///////////////////////////////
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|
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| // init fireworks
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| init: function()
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| {
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| this._addEventListener(window, 'resize', function() { return fireworks.resize.apply(fireworks); });
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| this._addEventListener(window, 'load', function() { return fireworks.start.apply(fireworks); });
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| },
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|
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|
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| // add an event listener
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| _addEventListener: function(el, name, handler)
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| {
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| if (el.addEventListener)
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| el.addEventListener(name, handler, false);
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| else if (el.attachEvent)
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| el.attachEvent('on' + name, handler);
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| },
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|
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|
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| // start fireworks
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| start: function()
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| {
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| // init window size
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| this.resize();
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|
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| // start to move snow
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| this._lastInterval = this._time();
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| requestAnimFrame(function() {fireworks._move();});
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|
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| this._addExplosion();
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| },
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|
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|
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| // add a new explosion
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| _addExplosion: function()
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| {
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| var x = Math.floor(Math.random() * this._bodyWidth),
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| y = Math.floor((Math.random() * .5 + .1) * this._bodyHeight),
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| dx = Math.random() * 10 - 5,
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| dy = Math.random() * -2 - 1,
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| c1 = this._random(this._color),
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| c2 = this._random(this._color);
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|
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| for (var i = 0; i < this._particlesPerExplosion; i++)
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| {
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| this._createParticle(
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| x,
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| y,
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| dx,
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| dy,
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| i / (this._particlesPerExplosion - 1) * 180 * Math.PI,
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| Math.random() * this._speed,
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| Math.random() > .5 ? c1 : c2
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| );
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| }
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|
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| window.setTimeout(
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| function() { return fireworks._addExplosion.apply(fireworks);},
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| Math.random() * (this._interval[1] - this._interval[0]) + this._interval[0]
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| );
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| },
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|
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|
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| // get current time
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| _time: function()
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| {
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| return +new Date();
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| },
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|
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|
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| // return a random array element
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| _random: function(arr)
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| {
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| return arr[
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| Math.floor(
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| Math.random() * (arr.length)
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| )
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| ];
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| },
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|
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|
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| // creates a new particle
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| _createParticle: function(x, y, dx, dy, rot, speed, color)
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| {
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| var el = null,
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| foundEl = false,
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| p = this._particles;
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|
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| // look for old particle
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| for (var i = 0, l = p.length; i < l; i++)
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| if (p[i].data.age > 1)
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| {
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| el = p[i];
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| foundEl = true;
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| break;
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| }
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|
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| // create span child for particles
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| if (!foundEl)
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| {
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| el = document.createElement('div');
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| el.className = 'particle';
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| el.style.position = 'absolute';
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| el.style.fontSize = '20px';
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| el.style.zIndex = this._zIndex;
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| el.style.width = '10px';
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| el.style.overflow = 'hidden';
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| el.innerHTML = '●';
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| }
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|
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| el.style.left = x + 'px';
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| el.style.top = y + 'px';
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| el.style.color = color;
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| el.data = {
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| x: x,
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| y: y,
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| dx: Math.cos(rot) * speed + dx,
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| dy: Math.sin(rot) * speed + dy,
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| color: color,
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| age: Math.random() * .25
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| };
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|
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| if (!foundEl)
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| {
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| document.getElementsByTagName('body')[0].appendChild(el);
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| this._particles.push(el);
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| }
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| },
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|
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|
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| // move existing particles
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| _move: function()
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| {
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| requestAnimFrame(function() {fireworks._move();});
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|
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| // calculate movement factor
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| var dif = this._time() - this._lastInterval;
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| this._lastInterval = this._time();
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| var delta = dif / 20;
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|
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| var el,
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| d,
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| p = this._particles,
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| r = Math.pow(this._resistance, delta),
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| g = this._gravity * delta,
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| a = dif / this._maxAge;
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|
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| for (var i = 0, l = p.length; i < l; i++)
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| {
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| el = p[i];
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| d = el.data;
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|
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| if (d.age > 1)
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| continue;
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|
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| d.age += a;
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| d.dy += g;
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| d.dx *= r;
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| d.dy *= r;
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| d.x += d.dx * delta;
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| d.y += d.dy * delta;
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|
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| if (d.x < 0)
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| {
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| d.dx *= -1;
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| d.x = 0;
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| }
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| if (d.x > this._bodyWidth)
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| {
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| d.dx *= -1;
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| d.x = this._bodyWidth;
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| }
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| if (d.y < 0)
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| {
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| d.dy *= -1;
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| d.y = 0;
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| }
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| if (d.y > this._bodyHeight)
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| {
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| d.dy *= -1;
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| d.y = this._bodyHeight;
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| }
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|
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| if (d.age > 1)
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| d.x = d.y = 0;
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|
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| el.style.left = d.x + 'px';
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| el.style.top = d.y + 'px';
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| el.style.color = (Math.random() * .5 + d.age >= 1) ? 'transparent' : d.color;
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| el.style.fontSize = (1 - d.age) * 5 + 5 + 'px';
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| }
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| },
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|
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|
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| // calculate new positions for all particles
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| resize: function()
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| {
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| // get new width and height
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| this._bodyWidth = this._getWindowWidth() - 10;
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| this._bodyHeight = this._getWindowHeight() - 20;
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| },
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|
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|
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| // get window width
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| _getWindowWidth: function()
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| {
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| return document.getElementsByTagName('body')[0].offsetWidth;
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| },
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|
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|
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| // get window height
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| _getWindowHeight: function()
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| {
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| var h = Math.max(self.innerHeight || 0, window.innerHeight || 0);
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|
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| if (document.documentElement)
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| h = Math.max(h, document.documentElement.clientHeight || 0);
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| if (document.body)
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| {
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| h = Math.max(h, document.body.clientHeight || 0);
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| h = Math.max(h, document.body.scrollHeight || 0);
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| h = Math.max(h, document.body.offsetHeight || 0);
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| }
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|
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| return h;
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| }
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|
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| };
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|
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| // shim layer with setTimeout fallback
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| window.requestAnimFrame = (function(){
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| return window.requestAnimationFrame ||
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| window.webkitRequestAnimationFrame ||
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| window.mozRequestAnimationFrame ||
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| window.oRequestAnimationFrame ||
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| window.msRequestAnimationFrame ||
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| function (cb){
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| window.setTimeout(cb, 1000 / 60);
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| };
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| })();
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|
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|
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| window.setTimeout(startFirework, 1000);
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|
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| function startFirework()
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| {
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| if(firework != "no")
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| {
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| fireworks.init();
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| alert("I:" + firework);
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| }
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| else
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| {
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| alert("E:" + firework);
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| }
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| }
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